Search results for: "multiple selections"

Is it possible to bypass the restriction of not being able to start a session multiple times in PHP without using session_destroy()?

When a session is started in PHP, it cannot be started again until the session is destroyed. However, you can bypass this restriction by using session...

How important is it to test PHP applications in multiple browsers to account for differences like the one with $_FILES['filename']['type']?

When dealing with file uploads in PHP, it's important to account for differences in how different browsers handle file types. One common issue is that...

What could be causing only one entry to be displayed in the PHP script when there are multiple entries in the database?

This issue could be caused by a problem with the query fetching the data from the database. Make sure the query is correctly retrieving all the entrie...

What are some potential pitfalls to avoid when creating a survey in PHP that requires user input and navigation through multiple questions?

One potential pitfall to avoid when creating a survey in PHP is not properly validating user input on each question before allowing navigation to the...

How can PHP developers optimize their SQL queries to improve performance, especially when dealing with multiple table joins and complex filtering conditions?

To optimize SQL queries for better performance, PHP developers can use techniques such as indexing columns used in joins and filtering conditions, avo...